package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }


    @Override
    public int insertemployee(Employee employee) {
        employeeMapper.insertemployee(employee);
        return 0;
    }

    @Override
    public PageResult queryemployee(EmployeePageQueryDTO queryDTO) {
        PageHelper.startPage(queryDTO.getPage(),queryDTO.getPageSize());
        Page<Employee> queryemployee = employeeMapper.queryemployee(queryDTO);
        PageResult pageResult = new PageResult();
        pageResult.setTotal(queryemployee.getTotal());
        pageResult.setRecords(queryemployee);
        return pageResult;
    }

    @Override
    public Employee selectbtid(Long id) {
        Employee  employee = employeeMapper.selectbtid(id);
        return employee;
    }



    @Override
    public int updateEmployee(Long id, Integer status) {
        Employee employee = Employee.builder()
                .status(status)
                .id(id)
                .build();
        int count = employeeMapper.updateemployee(employee);
        return count;
    }

    @Override
    public int updatebyid(Employee employee) {
        int count = employeeMapper.updateemployee(employee);
        return count;
    }

}
